Home / 319,169,427.40-478,754,141.10-182,742,617.80

Finding the Fourth Proportional to 319,169,427.40, 478,754,141.10 and 182,742,617.80

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Solution

The fourth proportional to 319,169,427.40, 478,754,141.10 and 182,742,617.80 is: 274,113,926.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,169,427.40 : 478,754,141.10 = 182,742,617.80 : x
  2. Step 2: Convert to fraction form
    319,169,427.40/478,754,141.10 = 182,742,617.80/x
  3. Step 3: Cross multiply
    319,169,427.40x = 478,754,141.10 × 182,742,617.80
  4. Step 4: Simplify right side
    319,169,427.40x = 87,488,785,027,204,576
  5. Step 5: Solve for x
    x = 87,488,785,027,204,576/319,169,427.40
  6. Step 6: Final answer
    x = 274,113,926.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.